1002000120010 has 16 divisors (see below), whose sum is σ = 1909694346696. Its totient is φ = 377223574528.

The previous prime is 1002000120001. The next prime is 1002000120041. The reversal of 1002000120010 is 100210002001.

It can be written as a sum of positive squares in 4 ways, for example, as 740706373449 + 261293746561 = 860643^2 + 511169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002000119975 and 1002000120002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2947059007 + ... + 2947059346.

Almost surely, 2^{1002000120010} is an apocalyptic number.

1002000120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002000120010 is a deficient number, since it is larger than the sum of its proper divisors (907694226686).

1002000120010 is a wasteful number, since it uses less digits than its factorization.

1002000120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894118377.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 1002000120010 its reverse (100210002001), we get a palindrome (1102210122011).

The spelling of 1002000120010 in words is "one trillion, two billion, one hundred twenty thousand, ten".